Like a lot of existing laws, it won’t be enforced against violent groups on the right, and will be abused against non-violent groups on the left.
https://nymag.com/intelligencer/2021/01/a-domestic-terrorism-law-cant-solve-right-wing-violence.html
https://fivethirtyeight.com/features/the-polices-tepid-response-to-the-capitol-breach-wasnt-an-aberration/
P.S. It’s unlikely any new law would touch the president. Some other attackers can face murder charges or other felony charges under existing law.
https://nymag.com/intelligencer/2021/01/a-domestic-terrorism-law-cant-solve-right-wing-violence.html
https://fivethirtyeight.com/features/the-polices-tepid-response-to-the-capitol-breach-wasnt-an-aberration/
P.S. It’s unlikely any new law would touch the president. Some other attackers can face murder charges or other felony charges under existing law.