Just look at the reasons why people sold their Rigol MSO5074. I'm pretty sure that when you dig deeper (really kick it around instead of doing some cursory testing) you'll find a lot more problems.
Oh sorry, I didn't know you bought one and found so much bugs. This explains why you are so sure of yourself.
I don't know everyone on the forum. IIRC, 3 people sold their MSO5074 explicitly.
I haven't read everything and maybe some people sold it without making noise.
Of the three I know about, two of them sold their MSO5074 because it is still very popular and under warranty and so, sells very well.
So there was not a lot of money to add to try the new Siglent SDS2000X+ which has just been released.
Bigger and better screen, Lecroy UI and much much more frequent/quick firmware update.....and bode plot.
A function that Rigol has been promising for months.
The other, (TK I think?) sold his for a Keysight 1000X.
At first, he found the keysight much better at serial decoding.....But when he correctly configured his Rigol, he found the same performance in terms of triggering on rare events ( at least on high speed SPI decoding ).
He said very bad things, like you on the Rigol. But as soon as someone asks for details or a specific example, no one answers.
It may be time to come back to the good side of the force.