those tips sound more like dunning-kruger nit picking of alternative opinions, rather than useful critiques.
many people prefer platforming in third person, so they can better judge their jumps, and many people prefer trailers from the 90s as a style choice. there is nothing wrong with spelling out features in a trailer, it breaks up the gameplay a bit and adds pacing to the video.
I doubt Erasio would give out contact details from friends or students or anyone else, because that’s not a very nice thing to do.
stop trying to skip the learning process by getting someone to make your game for you, just get used to the idea that this learning process will take many years of your life, and will probably require tons of non UE4 computer science knowledge like vector math, trig, programming paradigms, data structures, marketing, interface design, ergonomics, game design, cinematography, writing for entertainment, rigging, animation, anatomy, color theory, etc… 4 years in college is not enough, you need to dedicate a huge portion of your life to making games.
making a modern game requires more knowledge and skills than Da Vinci learned in his entire life, and you cant get that kind of knowledge by just copying a single tutorial. so take the scenic route, learn everything you can from as many sources as possible, and keep working at it. but don’t try to jump into calculus because you are bored of learning long division, you need to work your way up and learn all the prerequisites.