Last place had about 60 users. Average load time for the gdocs page is ~90 seconds. Users access the page dozens of times a day, most leave it open as a tab but memory usage became an issue.

Ever-increasing spreadsheet size eventually meant multiple computers were crashing/becoming unusable with the sheet open.

I offered to migrate it to Excel/VBA, was an old tiny codebase for simple calculations. Management bought more RAM instead, made me laugh.