Rule 1 with making number go up is you eliminate friction at all costs. The user's hard drive is free to you, so there's no reason to gate a feature you want them to use based on that. 98% of them will have no idea you're foisting garbage on them.

RIP, every base model mac from the past 10 years with the <= 256GB SSD. Including the new Neo. When you consider how much of that is eaten up by the system, swap space, caches, reserved space to download OS updates, and apps (2GB a piece is far from uncommon) -- having less than 15GB free is completely unsurprising on that size disk.

It was on my machine at least, I remember I had to do an additional install to activate that tab...