Could **I** declare myself so brilliant that no one should ever make me do anything I don't feel like doing? Like mopping the floor or cleaning the bathroom, which are the jobs I should be doing right now instead of procrastinating here?

Back to serious...
I would say that there are a variety of ways to learn math facts. Straight memorization is more than "not fun" for some kids--it's an ineffective strategy. Recognizing that gifted kids aren't all gifted at memorization (especially memorizing things they don't care about) is important, I think. They still have to learn the facts, certainly, but they may need "tricks" to do so or a context for why the memorization matters even more than other kids. It is not uncommon for gifted kids not to *really* learn their times tables until faced with algebra. I'm not saying that's a good thing, but it is something to be aware of.
I also think there's a "sweet spot" for learning math facts that is unrelated to a child's ability to understand the concepts involved. In that "sweet spot," learning the facts just comes more easily. They're ready for it.
I think that keeping a child from learning the concept because s/he hasn't memorized the facts isn't generally a good strategy. In our case, DS8 was doing multiplication when he was 6. He's nailing down the tail end of the times tables now, and his memory for them is MILES better now than it was when he was 6. I suspect there's a very good reason schools tend to expect kids to have those times tables down in 3rd grade. It just comes so much more easily. But keeping him from multiplication until he was 8 would have been a huge mistake!
It's a tough balance to strike (and I'm speaking from personal experience there!). But I always get wary of cracking down too hard on things like math facts. Math is more than times tables, more than arithmetic, even. Too often facts are used as an excuse for holding the kids down, as the article mentions, and kids wind up hating math. Alternatively, the kids who are good at memorizing the facts get the erroneous notion that they're good at math, when what they're really good at has very little to do with mathematics.
There must be balance.
IMHO...