Many things on that list don't exactly appear to be "bad tech habits". How is posting online comments a bad habit? Your post may be yet more forgettable drivel but how exactly is that a "bad tech habit"? Unless you make a point of leaving your email address in each post or something.
Failing to learn keyboard shortcuts? Last I checked that was called laziness - or maybe we have better things to do then remember what exactly shift + ctrl + A + F6 does in program X as compared to what it does in program Y.
Not keeping receipts isn't just a technology-related issue. Only the irresponsible would throw away receipts of any major purchase.
Waiting in line for release of ver 2.0 of product X is stupid, granted, but it's not confined to tech items either. First clothing sale of the season, anyone?
People who still habitually reply to spam in this day and age, however, should be flogged. With a cat-o-nine tails.