You are smart enough to create a gazillion tables in the database, but you leave them untouched after an uninstall? What kind of job is this? The tour is a big long sales pitch, don't bother! And it does nothing about any premium etc. themes or plugins that you get from anywhere else other than WordPress theme repository.
Do not believe in the fake/paid 5 star one-liner reviews. Read a real review of this plugin here: