What about "You can't deduct transportation and other expenses you pay to attend stockholders' meetings of companies in which you own stock but have no other interest. You can't deduct these expenses even if you are attending the meeting to get information that would be useful in making further investments." is vague?
I think he just thinks he's immensely clever and has come up with a whole bunch of loopholes to avoid taxes that only he has figured out, since that's what most if his posts seem to be about that I've seen. Apparently the hundreds of thousands of tax attorneys and accountants who do this for a living, not to mention everyone at the IRS, are all a bunch of morons who never even even conceived of these blindingly obvious ideas.