The SDS2000X+ seems a very nice instrument for the price.....but there are maybe between 10 or 15 owners on the forum.
Statistically, there are necessarily fewer bugs reported.
You're missing that some of these owners are dedicated beta testers for Siglent, i.e. they are not just average users who may or may not stumble on a bug and then may or may not bother reporting it. These testers are actively putting the scope through its limits to find and report any bug, problem, issue or even area where things can be improved, and while this doesn't guarantee every bug will be found (and not every bug might be addressed immediately by Siglent), it has resulted in a huge improvement in the maturity of firmware when products are released.
And Siglent has generally been pretty fast in addressing remaining issues, unlike Rigol which often tends to take its time.
The other thing is that Siglent's co-operation with LeCroy has resulted in many of the advanced features found in LeCroy scopes becoming available in Siglent scopes. I only know the SDS5000X but from what I heard many of the same features went into the SDS2000X+, and most of them are not available in any Rigol scope including the expensive MSO8000.
Having said that, if the OP can live with the limited BW then the Rigol MSO5074 should work fine. From what I read a lot of bugs have been fixed, and even the hardware issue with the dim screen has been addressed.
I'd still consider the SDS2000X+, though.