Earlier quoted context omitted.
I don't understand this perspective. It's similar to saying "Surely there's a better solution than having 1000 files on your file system. That sounds like a nightmare." It's not like you're actively monitoring every tab at once, you just have the knowledge ready to go and at a finger's whim. You use extensions like Tab Hunter to jump directly to the tab you care about. Yeah, you could do the same with using a bunch o…
Ok let's say you remember seeing something on a tab but couldn't remember which one it was on. How do you even begin to find that tab? With 1000 files on my file system I have any number of ways of searching not only the filenames, but also the contents of the files, visualizations based on size of the files, etc etc. I don't think it's a good comparison.
I don't think the person you're replying to was referring so much to implementation details, but rather more to function for the user. What if the browser had better support for finding items that are open in tabs?