Even though it is logistically true that anyone can put in a large amount of effort to succeed you just can’t make that claim whatsoever. Because not everyone will be a hard working or dedicated person. So if you don’t have those characters personally you’re just essentially insulting those that do work hard while claiming it would be so easy for you if you tried.
There is a way for anyone to succeed yes, but it can also rely on your character and this applies to many things in life.