100% this. It's laughable if you believe those requests work as expected. Sure they may "delete" some surface level bs like your account or login, but there is no way it's 100% scrubbed in the way it's supposed to work.
23andme didn't implement strong customer identity and auth mechanisms, for example, and it cost them ~$30M to settle their data breach liability [1]. Take action, keep receipts, and failing good faith actions, step back while regulators and the legal system whack whack whack with a hammer.
[1] https://news.ycombinator.com/item?id=41536494 ("HN: 23andMe settles data breach lawsuit for $30M")
But the not the death of your data. That will be sold onto someone else.