It's a game with a very very low skill cap and high RNG meaning that most games boil down to luck, and it's also a game that is very badly balanced with a dev team that does not particularly care about balance but rather a rotating series of broken decks that encourage pack sales.
You could not really design a more pointless and irritating game if you tried and the fact that it is played "competitively" is the biggest joke of all. The question is why do we bother? Mild addiction to opening cards? Dumb hope that things will change? Take your pick really but ultimately it's our fault for wasting our time on this mediocre trash.