It's just up to those that we elected to make a decision or enact legislation. If they decide tat the president isn't senile enough, then that's just what they get to decide. Sometimes I think folks are expecting there to be an ever increasing system of accountability or authority to appeal to, but no it's just those people and they get to decide. If you don't like their decision, outside of the ballot box or whatever other means you have available to protest their decision, then you just have to live with what they say or decide. They are the authority. They decide to invoke the 25th Amendment or not. Not you.

I'll bite. What's in it for them ("They are the authority")? Weathering the weather until the next election? I'm prone to assuming that people higher on the totem pole are smarter, more experienced, more nuanced, better educated, that's on me.