A democratic and accountable state can still be authoritarian even if the people within it are not authoritarian.
Within a democracy, a deeper authoritarian "deep state" can exist, such as in America where the presidents are scared by security advisers and terror alerts, into forgetting their social programs. That authoritarianism can exist in America is due the the first issue on the list here: social organization philosophy.
It's related to a complex group of vicious circles of
religious conviction and type, "social organization philosophy"
limited democratic tradition or perceived right
lack of Industrialization and urbanization to escape from feudal
power structures.(industry brings technology)
lack of education for all citizens,
lack of a powerful middle class,
foreign influence and threat,
civil wars and distastrous revolutions
a tradition of instability and state weakness,
a strong independent or factious military
low legal protection against Coup D'Etat and social safeguards
easily abused sources of wealth that create elites (i.e. oligarchs)
poverty, debt, economic mismanagement, inflation, unemployment
Authoritarianism represents a lack of development forwards from feudalism in the actual application of state government. Absense of free press is a tradition of leste majeste, treason, which is directly related to feudal and monarchy types of government.
Every state is different and some generalizations can be drawn when listing them and comparing them:
Russia: highly educated but education stronger for nationalism, state defense, militarism, than for geopolitics, philosophy and democacy. history of internal strife, foreign pressure, tradition of state weakness at a local level, little tradition of democratic right, has never broken out of feudalism, low local wealth due to distance from sea and extreme cold winters.
Algeria: lower education, internal and foreign pressure, easily abused wealth, no tradition of industry, religion that discourages non-religious law.
India: Strong tradition of self determination from: Partition, Death of peaceful leader Ghandi, Indira Ghandi, strong state buildings (massive famous building of public debate and parliament), religions based on sentience and not based on laws, tradition of social cohesion fair social identity, never had a strong factious military.
Foreign intervention is crucial because democracy strengthens national identity and pushes out foreign influence... countries can go through a period of flipping between authoritarianism and democracy before the democratic and middle class.
People try to assert themselves democratically, and colonial pressures try to squash the local national movement... coups in Iran and Chile, pressure against Russia, deposition of houthi electee in Yemen and replacement by an... internationally recognized "president" in favor of S.Arabia/NATO...
The flip flopping and coup d'etats happen before technology apparatus is well distributed and strong, i.e. Venezuela has outrageous pressure from America and the state is failing as a result, and Pinochet in Chile also gained access after a US backed coup against a socialist government and then started torturing the student and middle classes using the football stadium as a holding facility, Egyptian military was financed by Isreal and USA because of it's social philosophy problems(radicalism).
Germany ww2, italy in ww2, Turkey today, they all three had different causes for flip flopping from democracy to autocracy, but they will probably make it in the end if there technology advances.