I've had much success with those; they're a great starter pack for a new gardener. And for the Amazon-avoiders, you can order directly from their website: https://purepollination.com/
They also had kit for herbs, but it seems to be out of stock right now on Amazon: https://smile.amazon.com/gp/product/B06WWK6Z3G/
I've ordered LOTS of seeds from Amazon since then; there's nothing inherently wrong with the seeds simply because of how their purchased. If that where the case, then I could say the same for pretty much anything sold on Amazon. Like anything else, you have to read the reviews.
There's lots of small heirloom growers on Amazon, but the ones that seem to have the most of what I want in larger quantities (200/500/1000 seeds per pack) are: