People use either some flavor of W3C's Timed Text or WebVTT instead (and it was already a pain to get them to drag their feet into them and drop the old analog broadcast formats). Now, here's the thing. WebVTT isn't radically different in format and features to (A)SSA and it has plenty of styling options... but, once again, a lot of platforms and software are dragging their feet to support them.

So the industry has been sloooowly doing the right thing moving to the W3C standards (not a huge fan of Timed Text myself, but it exists for a reason), but only with the most basic and safe features. Which are also about as many features you get out of plain speech to text output, so it's even easier to make that decision.

One typical case is navigating a file manager to grab files that I need to drag and drop on a web UI, or folder/URI slug names I need to keep copying back and forth to use on a workflow.

Another is watching stdout/stderr of a running script and a log tail at the same time.

Sometimes I have tabs of web, file manager and some other app on one side and a terminal on the other as terminal commands are the glue of a workflow.

Or I'll be screening a video on the left and doing edits on the right. Or keeping notes open on the side during a conference call.

Sometimes I'll only have one window in a virtual desktop and ultrawide is too much, so I just have an idle terminal window as padding.

Not having to hunt around for windows then hunting for their edges helps when I'm constantly opening, closing and sizing terminals, file managers and so on and so forth. It simply is faster with tiles.

for_window [class="(?i)firefox"] title_format "  %title