think about it if you were a miner, and have learnt that you can charge XXX for transaction why would you be happy to again charge just one X?
It is certain the more popular coins will increase costs to catch up with bitcoin, as opposed to bitcoin lowering .
Developers are already being pressured to behave in ways that I dare not repeat.
Yes it is, since bitcoin mining supply become less, the more maintenance price or fee of the bitcoin itself.
I think bitcoin fees become stable when all the bitcoins is mined and also maybe bitcoin price become stable