I don't recall anyone ever resigning in your government
I don't know what this means. Al Franken resigned for taking an inappropriate picture with a female staffer. Trump is a civilly liable rapist and that only pushed MAGA more firmly towards him. They're not the same.
If you're talking about Menendez, he's refusing to resign which I can understand based on the insane double standards here but his political career is over because of this, he does not have a shot at reelection. Turns out democratic voters really don't like convicted felons. One would figure that sentiment be felt more strongly in the party that peaches law and order, but words on that side couldn't be more empty.
Those base values are to hold on to power by any means?
You can feel that way all you want, but you'd need argument if you wish to present yourself as being reasonable here. So far all I've seen from anyone who has tried to push this narrative is projection.