It won't be the protest voters fault of Trump is elected but it would be something they could have prevented. Four more years of radical conservative judge appointments would create generations of degradation of women and minority group rights.
The u.s. still wouldn't control the algorithm even if bytedance sold because they are not required to sell to a u.s. company. As long as the new company isn't controlled by the ccp(or probably also russ, n Korea, iran) the u.s. doesn't care who owns it.
Questioning science in that you are questioning the idea of taking observations and testing hypothesis? Then no.