This company is unrivaled by other companies with its overwhelming strength.
Even if you follow all the people you've ever met, you're still following them. Once a follower, always a follower.
This is a jukugo word that uses the on'yomi readings of the kanji. You haven't learned this reading for 追 yet, so here's a mnemonic to help you:
They get you to follow them by yelling SOOEY (つい)! You certainly aren't a pig, but something about hearing them yell sooey makes you feel like you have to follow them.