Indexing with “Submit to Google”, the end?

Several of the Indexing services that submit directly to google have stopped working and a number of threads have popped up about it.

I think the reason is down to Google changing request indexing limits & quotas and crawl limits in search console.

https://www.seroundtable.com/google-request-indexing-limits-quotas-spam-abuse-25276.html
https://www.seroundtable.com/google-drops-crawl-limits-in-search-console-25262.html