This is a public service posting, in a way:
Considering that Zoom is still fundamentally incompetent at building installers and that (fortunately) we can still side-load applications on macOS but sometimes need to check their provenance or tweak things a bit, Suspicious Package is an indispensable tool for anyone manually installing software on modern Macs.
It should probably be built-in to the operating system (rather than the GateKeeper/notarization dialogs), but we all know that is not going to happen, right?