Quite frankly, if a person has any sort of formal education in their background such as college or even taking coding classes in high school, they are then entirely unqualified to offer such an opinion. It may be easy to learn new languages online due to having learned the foundations, but unless you can say you learned all the foundations online, this type of comment isnt helpful. As many others have mentioned learning is a science and it takes a lot of work to structure learning in a digestible manner.