I admit that Adele isn't a good singer technically. She strains a lot and sings "through her shoulders", which means that she can't relax while singing. All that smoking has done nothing but harm to her voice either.
However, Ryan Tedder said that Adele sounds better than ever on the new record, so that just adds up my excitement for this album. Adele has only sung three times after the vocal surgery. It's interesting to hear if Adele really sounds better.
There's no need to compare Adele and Beyonce. They are so different. Adele is still only starting her career while Beyonce is already an icon with fantastic career.
We should be happy that real talents are ruling the charts. No shade towards anyone else.