Probably not...for your shooting style. People have shot street for a long time without AF, so it is physically possible For me, however, I had no problem delivering images that I liked better than similar images taken with other AF lenses...but yes, I was a little more deliberate in acquiring them.
On that note, though, if you've never used a MF lens on a body with a decent precision matte focus screen, you will have a hard time knowing how much fun MF can be. Watching the plane of focus glide from one subject to another through the viewfinder at large apertures is about as much fun as you can have doing photography...and does wonders for your creativity.
Well, I did use manual focus with Canone AE-1 and alikes for decades. And I am very happy that I have autofocus available now. Because a properly used AF will nail the focus much quicker and you will, consequently, be able to catch quickly vanishing moments where you otherwise would have been the decisive half a second too late.
You write "I had no problem delivering images that I liked better than similar images taken with other AF lenses". But I don´t still get it: which situations? Did you have a model that was not moving too quickly? That would probably the right situation for the lens.
I just don´t manage to come a conclusion: this lens is the ideal lens for situation x and y. It doesn´t look to be ideal for street, not for landscape. Potentially product, not sure. Portrait? Could be. But only limited, because you will use parts of your concentration and brainpower to focus, less on the model. I don´t get it. I do like Bokeh and open aperture. But why a manual focus might do wonders for my creativity - no, I certainly don´t get that.