"Managed $XX,XXX site redesign that resulted in [cherry-picked numbers to make it look like it improved things when it didn't at all]" looks good on a résumé.
Your managers may not understand much, but they can understand (by which I mean get a thrill out of looking at) before-and-after screenshots on a powerpoint, which may matter when promotions are available.
That's at least as true in bigco as in startups and small companies.
It's no different at massive corporate behemoths.