This is a tired argument. The same argument was attempted when VP8 was new, and when VP9 was new, and now again with AV1. I'm sure the same, worn-out ground will be revisited when AV2 comes along.
End users don't care that TCP\IP is royalty-free or that HTTP and HTML are royalty-free or that any of the other commonly used formats and protocols are royalty-free. They don't care because they don't understand the issues.
Developers care. Builders care. I care. I want to implement video on the internet for any use case without having to consult a lawyer just to understand the licensing implications of doing so. VP9 and AV1 make that possible. VP9 and AV1 normalize video on the internet by making it royalty-free like all the other internet formats and protocols.
Content companies and hardware companies and software companies don't join AOMedia for the fun of it. They join because it's the practical choice: