Another reason could be: many are not sympathetic to the America's claims that these foreign platforms are at the whims of a country it is at odds with and which have repeatedly demonstrated covert abilities to change American's perception.

Speaking with some younger American co-workers in the past, their suspicion/hatred of their own country is astounding to see and it seems to have coincidentally begun after TikTok entered US market a few months before US elections.

So the worry seems to be that young American voters exposed to a foreign social platform will influence upcoming elections. I do not think this is far fetched as multiple countries have come out to expose various tactics by certain countries to influence perception.

>their suspicion/hatred of their own country is astounding to see

Speaking as an American, our country was founded on the principles of being apprehensive of governments including our own. Being suspicious of our own government is a very American thing and should not be understood as surprising.

See our Declaration of Independence for further reading and context.

And old people losing their connection with objective reality is connected to fox news. Next argument. It's being banned because old technically illiterate people (most of congress) latched onto a simplistic solution to the wrong problem,