I worked at a place where we used to dog food betas, and Microsoft basically refused to accept any reports from them. They only wanted telemetry.

Then you have products like SCCM that are now forever beta, and they play games with release cycles so that you literally have about a 3 week period to report substantial bugs and get a fix. Before that, the product isn’t generally available. (You need to use “pre-release” to keep up with the quarterly updates) After that, you’ll be told that it’s too late in the cycle to fix bugs, because they won’t be fixed until after the support cycle ends.