I have to take issue with the mindset that fingerboard dot inlays are a bad idea or hurt one's development, and I don't even use them.
I know many incredible bassists and bass pedagogues who use and argue in favor of dots. They are a great visual reference for the practice room; of course when you're playing in an ensemble you don't want to be staring at your fingerboard the whole time. Regardless, there's a reason why more schools, teachers, and players are becoming more in favor of inlays. They're becoming more professionally accepted and many are using them due to the nature of the instrument in combination with how modern repertoire demands larger shifts and for us to play with different tonal colors. You can't always "just hear it."