... are you sure we speak the same language?
This makes it difficult to form a unified theory of the language. The more elegant your rules, the more exceptions there are.
But it’s also a super power. It makes the language feel more familiar to just about anyone who speaks an Indo-European language. There’s something homely and welcoming in english for anyone.
And the readiness with which english adopts foreign vocabulary when practical is simply inspiring. You can introduce basically any word from any language and make it stick.
And then there’s Slavic languages where at least in mine, every verb or pronoun can come in one of 20 or so different forms. Nouns have 20+ different forms too.
Not expecting Slovenian to become lingua franca of anything any time soon. It’s just too hard.
The written form is painful though.
The one major thing English has going for it is that native English speakers are pretty tolerant of non-native speakers getting the grammar wrong. With just a little effort you can get people to understand you which is not the case for many languages.