This is such a great question. In my experience, the advice you have received from some of your prominent photographer friends is totally on point. Look at the greats - they didn't worry about what other artist were saying about them. They forged their own paths. Frankly, I stopped worrying about the "internet experts" a long time ago. What qualifications do they have? Why should I give any weight to their opinion? I truly think that the haters out there are behaving the only way they know how when they feel threatened or envious. They feel like lifting up someone else will be detrimental to their own success. But, there's plenty to go around! Surround yourself with people who are willing to be honest with you, celebrate your success with you, and support you when you fail. Good luck!