5NT is quite a good escape with GiB. See some of my earlier experiences
Sometimes I also play Blackwood roulette and hope I can pass the response, in cases where Blackwood is still available
A few years back I was starting to feel quite confident about this system remarkably. These days there is little confidence left and it feels like some crazy lottery or maze with most paths ending in certain death
Bidding systems are supposed to be clear and give you confidence in what you are doing and what your partner holds IMO - maybe a minority view
You may occasionally get it wrong (in a real system), or have to think a while but you should be able to bid with confidence
I am sure (without data) that the number of dodgy contracts has increased massively recently. I also wonder if people are carefully engineering hands to cause trouble too
I know fairly quickly what contract we should be going for - but to get there - sorry for ranting again - back to my tourney