It is one thing to consider the theory and another thing is to see the practical use it is having and see how it is working. The application of Segwit in Litecoin is serving as a test field for Bitcoin and this application is giving very positive results, it is normal that more and more voices asking that it apply to Bitcoin.
Basically pick the better option.
14.00 BTC per block @ 1500 BTC/USD
12.75 BTC per block @ 2000 BTC/USD
Which option would the miners choose?
$ 21000 the first option, $ 25500 the second one, and 2000 BTC/USD is a conservative prediction thinking in medium term. Once the scalability issue is resolved the price will rise significantly and the users will complaint when they have to pay 50 cents (0.00025) per transaction.