Wulf Ratbane said:
This is me speaking strictly from a technical writer standpoint. These "fluffy" names are primarily bad because they are jargon, and they present a barrier to rules mastery.
It makes sense, perhaps. But you're no more informed about the function of the feat than you would be with any of the following:
Golden Wyvern Adept: Gain +1 to hit with any of your spells as long as you are wielding a staff.
Golden Wyvern Adept: You may freely change the area of effect of any of your cone, line, or burst spells to any of these three shapes.
Golden Wyvern Adept: Gain +2 to all Persuasion rolls when dealing with other members of the Golden Wyvern tradition
All right, I have to call strawman because all three of the feats you mentioned would be easy to name more effectively: Staff Focus, Spell Geometry, and Friend of the Wyvern all immediately come to mind and work perfectly well.
But the feat itself that GWA describes is far harder to effectively name.
As a fellow technical communicator I cannot for the life of me think of a way to name it that doesn't turn into either jargon or stupidly ineffecient descriptiveness, I mean based on what it does here is what I can think of:
No Team Kill
Hole in the Fireball
Registered Mage strike
-Both somewhat jargonny, cause let's not pretend here fireball is absolutely DnD jargon, and absolutely lame and maybe misleading as the feat doesn't apply strictly to either teammates or fireballs. The third is accurate but highly jargonny.
-And even if I go with descriptive jargon, as with Exalted, it doesn't work too well
Companion's in the Storm technique
Shadow in the Sun Strategem
-See, also unsatisfying.
Now, I don't know that there aren't good names for this feat out there, and if you can come up with one I will be relieved to see it.
But until someone does I think the whole issue of flavorful names is a moot point.
What we've seen here, thus far, is a lack of overly fluffed names and jargon except where no clear name could be had.
From a technical communicator's standpoint I think it may be indicative of a larger strategy where a lot of feats about spell shaping are in some way associated with the word's Golden Wyvern so that your brain immediately makes the connection where it would take too many words, and awkward, to make the connection for you otherwise.
I could be wrong, we haven't seen the book yet, but I think what we see here are decent writerly strategies for dealing with issues any writer, technical or otherwise, would find challenging.