The point wasn't that Chrome sucks, or that having many tabs open sucks.
The point is that the web browser sucks. The web, HTML, the DOM, and an immense hodge-podge of largely unused code cobbled up together code sucks when you need to work on non-trivial tasks.
It's fine for reading toots and email. *Maybe*
But for reading non-trivial text, and doing anything that isn't consumerist internet applications... all other knowledge work suffers.