Aimed shot fills this Niche. The DoT doesn’t matter single target.
Hard casting Aimed shot doesn’t Hinder our mobility.
Marks has multiple DoTs you can Micro manage (Master Marksman, Serpentstalkers) to maximize Dps but you probably didn’t think about that.
They both procced to get a free cast of your hardest hitting spell making them mechanically the same.
They pretty much deleted Marks and made a spec that’s a hybrid of marks and rsv. Marks won the custody battle over the name. Its people like you that are killing any way for wow to progress because you can’t handle something new and refuse to look outside of your comfort zone. Whiners like you are the reason they won’t add a fourth spec because you’ll probably be on the forums crying that its too OP or similar to another spec.