No, if you're publishing on the web using VP9 is the better choice. VP9 is supported in more browsers and there's no point having the licensing hassle of H.265. And as Netflix found, VP9 outperforms H.265 by 12% with the right encoder:

https://medium.com/netflix-techblog/performance-comparison-o...

So the sensible strategy is H.264 for devices that don't support VP9 and VP9 everywhere else.