Angular will pass, so will the next framework and react to, once you’ve been through a few of these frameworks, you’ll probably become less excited about investing your time into them if you have the opportunity to invest into something more fundamental, say functional or logic programming, data modelling or architecture skills.

Young devs are surprised when I say Git is only okay, look forward to the next SCM tool, they tend to think git will be the tool fir eternity, and surprised when I list if the 6 other tools I’ve gone through in my career ... so far!

SPAs are no fad IMO, but they are not the best solution for everything either.