It’s an open source solution designed to scale to what the web was originally designed for and excels at. Documents. Specifically hyperlinked documents or webpages. You can’t reasonably expect an archival service to archive something that is by definition not static like an interactive web app.
Because they control the FTC and any other regulatory agencies. It’s called regulatory capture. The only other way they can be held accountable is through the pay to play court system which is biased towards them because they can drag it out until the other party gives up.