"Acting in good faith" simply means with "sincerety of intention." Peter Strzok acted in good faith, because he believed it was his job to save the country from what he believed was a threat. Same with Andrew McCabe, and James Comey, and a litany of others. Acting in good faith is not the same as acting properly, it simply means the whistleblower and the IG didn't make stuff up.
In any event, there is nothing in the phone call or the complaint that is impeachable, at least not without reading an entire novel between the lines and doing a lot of mind reading.
As for the president thwarting the efforts of Congressional Democrats who want to remove him from office, I'm shocked, shocked I tell you, that the president refuses to become an active participant in his own political witch hunt. It's unprecedented!