I think it depends on where you live and who's teaching.
If you live outside of Hawaii, they don't really take ukulele seriously and never hire Hawaiians or people from Hawaii to teach ukulele. They won't hire them even because they think anyone who plays guitar can surely just teach and play ukulele, since they tend to think guitar is more of a real instrument, or more serious instrument, and the only people taking ukulele lessons are little kids so they don't really care.
If you find a shop that takes the ukulele seriously and sells the best ukuleles they can find etc, and have people who play ukulele as a primary serious instrument, it's probably an ok place to learn.
It's best to learn if you can just find other people to play with, like a jam group or something, and learn from a lot of different people with experience from different backgrounds
If you live outside of Hawaii, they don't really take ukulele seriously and never hire Hawaiians or people from Hawaii to teach ukulele. They won't hire them even because they think anyone who plays guitar can surely just teach and play ukulele, since they tend to think guitar is more of a real instrument, or more serious instrument, and the only people taking ukulele lessons are little kids so they don't really care.
If you find a shop that takes the ukulele seriously and sells the best ukuleles they can find etc, and have people who play ukulele as a primary serious instrument, it's probably an ok place to learn.
It's best to learn if you can just find other people to play with, like a jam group or something, and learn from a lot of different people with experience from different backgrounds