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.
We all know that bitcoin is a decentralised crypto currency and there I no such proper authentic regulating body over bitcoin who could keep eye over all its activities and thus there is improper regulations of bitcoin and the best solution to this problem is the legalisation of bitcoin globally and the global legalisation is the only way out to curb this and many more problems related to it and no doubt that even after the legalisation the fee will increase because government will then apply tax over it but still there will much better condition in comparison to present one.