Because, at least from a language viewww, .web is 'world wide' while .net is only 'inter'.
What counts more, is, that at the end, from this language viewww, none of those two (old / new) TLDs can be on top - because from this language viewww only .top can be on top.
King of top, you are conflicted by your own self interests, I own GTLD's also, mainly acquired 2014/2015.
I am seeing the weakness, GTLD's should have shown this weakness most likely a year earlier, but the Chinese run up shielded this for a renewal cycle. They did not realize that domains do not have a solid secondary market when it comes to speculative stock. You cannot simply buy 10000 .99 cent domains, and hope to flip them for $2, this was happening for a while, until nobody figured out renewals go back to regular price.
The framework of the GTLD contracts is a liability to any business, until this is solved you are going to see people back off them. Domainers have been pushing this market, once they back off the short term dollars dry up.
The registries are paying tens of millions of dollars to acquire these extensions, their models cannot afford to have domainers take the cream of the crop while they get a $10 registration fee. The registries have to be able to make the 3-4 figure sales, or premium renewals in order to recoup their investments, and cover their carrying costs.
You cannot take the .com business model, and framework, and transplant it into the GTLD's. Have people been able to profit short term thru the GTLD's based on uneducated buyers in the marketplace, and other eager buyers, YES!
However we saw that come to a stop in 2016/2017 when the registries put crazy premiums to protect their best keywords for actual end users.
You can come, and say whatever you want here, it doesn't change the facts. Many people have entered this industry, not truly understanding how a buy, and hold portfolio works, and the strategy, and management behind it.
.web might make someone rich, but it is not going to be a domainer.