Do you agree that if there is real legitimate evidence of him being compromised then working with congress to legally remove him from office according to the process given in the constitution is the right choice?
That doesn't absolve trump of consequences for his own actions though. If he's dirty too, then he needs to go.
When it was declassified, it turned out that Nunes was lying. See https://vault.fbi.gov/d1-release/d1-release/view footnote at the bottom of page 15, top of page 16. Steele is source #1.