Let's see. For one thing, I've always preferred Sherinian to Rudess, largely for the reasons he tweeted. Yet tweeting them strikes me as a dick move. Just because you're right doesn't mean you should actually make a point to tell people.
His tweets seem to have taken a page from the Roger Waters playbook. In his recent tour Roger had nothing whatsoever to say about Trump, yet his show was widely regarded as nonstop Trump-bashing. What he did was provide idiotic quotes and some footage of recent events and let people fill in the blanks on their own. If you see footage of people getting blown up by drones and associate it with Trump, then he was successful. Sherinian tweets
no more whiny, breath vocals and the first thing people do is claim he's bashing JLB. Well done, dude. That's how you troll.
On the bright side, given his preference for echo-chambers, Portnoy's probably real close to locking his own band's thread on his own forum.