@Robert *******
first off, the source that you posted there is not supported by any facts. Not much of what you read there is true. There is no border run limit of one, neither has there ever been one. There used to be a limit of two, but only for land borders, it didn't apply to entries by air.
The part there that is true is that there is an effective (unofficial) limit on the time you can stay in Thailand. You might get problems entering again once you pass six months.
However, coming back to the issue of whether or not a tourist visa yields an advantage, this still isn't one. Like exemption can be refused, a tourist visa can be refused. You can even get a stamp from an Embassy warning their colleagues that you abuse the system with too many exemptions/tourist visas. The main difference between exemption and a tourist visa is knowing at an earlier stage whether or not you are deemed ok to enter. That is why immigrations officers advise entrants to have a visa next time around. That is so that they don't risk flying all the way there and then find out after that their travel history is not supportive of a new entry.