You’re taking tongue-in-cheek pop culture factoids and your personal differences of opinion and using them to judge a field of science as fake.

Scrunched

Science not so direct

There’s plenty my dog won’t eat

What dentists are y’all going to?

Seems unlikely. The artist has been doing stuff for like 15 years at this point: https://www.instagram.com/p/DXW73v7Dk7y/

Portuguese really likes dropping C’s doesn’t it

You’ll never guess what toads are

Unless your heater’s cable is ridiculously long, it’ll be in the right area. The wires in the wall aren’t part of the heater and don’t factor into its efficiency.

Did someone say heat pumps?

As heat

Sawdust has a lot more in it than just cellulose. The meme is a joke, but it’s closer to reality than calling cellulose powder derived from wood pulp “sawdust”.