Is Multi-cloud dead before arrival

This article assumes Multi-cloud is a fad because it doesnt offer much value:

https://medium.com/@kenhuiny/multi-cloud-is-mostly-a-waste-of-time-2d689b25d37f

1) Geography and Latency Requirements are all great now across the same cloud regions. 2) Mitigation Against Cloud Outages doesnt matter much. 3) Avoidance of Vendor Lock-in is a joke

Opinions and facts would both be appreciated.

Thanks