What separates a good Falco from a great Falco isn't laser accuracy or certain stupid things, but how well you're able to move and make certain attacks count. Being able to intimidate your opponent into believing they have no options is key with Falco. If you want to learn the game: Learn what to use and where to use it. Learn to minimize spot dodges unless you really have to( rolling away-never in, you'll get punished by smarter people- or jumping down A and moving away) Learn to be able to read the opponent.(If they expect phantasm, use shine and vice versa) Specifically for Falco, learn to laser with the second laser just above the floor(Can hit a non crouching Kirby) and learn chain grab into spike. More technical things are grab to spike fast fall and grab...etc. as well as pivot grabbing and boost smashing.
Laser accuracy does help though
Don't be afraid to post videos. People who criticize videos and call them crap have nothing else better to do than make your life miserable. If you want real constructive criticism and see improvement, post videos. PM me video links and I'll be happy to put my 2 cents in.