10 years ago, Viz and Tokyopop dominated English published manga, yet they each had very spotty records with regards to translation quality, editorial decisions and censorship.
I didn’t want to read Full Metal Alchemist or Dragon Ball or Initial D knowing that random instances of blood would be erased or religious symbols replaced or weird editorial changes would change the tone. And unlike the edited anime airing on TV, there was no “uncut” version I could buy and even finding lists of changes was difficult.
So, I kind of learned to avoid buying North American manga. Only recently have I started buying some releases from publishers like Kodansha and Dark Horse that, from what I can tell, have a better track record.
But ultimately that’s the problem - you shouldn’t make a customer guess what they’re getting. I want to collect way more manga than I do, but my confidence in the industry was shaken very early on, and that’s hard to gain back.