Democrats refuse to work with Republican members of Congress who questioned election, but did Republicans do that in 2017 and 2018?

 NBC News headline:  "House Democrats draw the line: No bipartisan cooperation with Republicans who questioned the election"

Freshman Rep. Jake Auchincloss, a Democrat, has begun turning to an unusual source when trying to decide whether he wants to work with a Republican he thinks makes a good point during committee hearings: Google.

The Massachusetts lawmaker says he knows his constituents want him to work across the aisle, but he's drawing “a sharp red line” at working with Republicans who voted not to certify the Electoral College results as part of then-President Donald Trump's failed bid to overturn his election defeat.

If a quick search produces evidence that one of his Republican colleagues refused to acknowledge President Joe Biden's win, he said, “I kind of throw cold water on the whole thing,” adding that while he doesn't like political litmus tests, "insurrection against the United States government qualifies.

But here is a question, in 2017, all the Democrats in the Senate claimed that Trump was illegitimate and none of them condemned the riots that occurred at Trump inauguration.