That interview - well the bit of it that I can see - is yet another example of the cult of the amateur.
This DIY attitude is extremely prevalent here in Perth...because there's no record company scouts here, therefore no producers, no serious "for hire" studios. They are all owner/driver places, and you won't get the owner out of the chair...
I saw TI live years ago...by accident.
They were horrible.
Apparently they are better now.
The indi radio stations and press get positively tumescent about them.
I can't see the attraction myself...but then again, I remember 70's psychedelica from the first time around.