The problem becomes when the president does it; and how he does it.

Since the president has vast formal and informal powers, any use of his power to achieve a totalisation of his ideology into society is "alarms going off territory".

When he has taken down the law firms, suspended the licenes of the media companies, sequestered the national guard against protestors, and deported political opponents --- at that stage, what will be left to protect you?

The president, as one man, cannot wield the full power of governmenrt -- this is tyranny. And, esp. cannot weild it against civil society, this is totalitarianism.