Sounds like you beat the old guard and they cried about it

It's actually why I quit magic

I was terrible but I beat a few of them with a couple lucky combos and they were so mad they complained until the owner as a long term friend of most of us Laughed them out of the store but it was so jarring because my deck was maybe $200 of mostly booster luck and a few choice cheap cards I needed And 40 y/os where crying because I got lucky and beat the deck they'd spent far too much money on

Hopefully they grow and you can continue to play the game as actually intended