I bought one recently for 4k BRs. It’s awful, even though I bought one of the highest-recommended ones. They’re still slow, lose your place, and generally suck. And if there’s any dirt on the disc, you’ve got a major problem, no matter how small the smudge.
And that isn’t even counting the problems with the format, such as unskippable intros and copyright notices.
Ripped media is so, so superior that it’s absolutely ridiculous.