Z. H. Darkstar
Explorer
I finally made my Non-Meta-Game character
I generally opt to just take one of my CharOp builds into each season. It was only during the RoD season that I first decided to take the setting into consideration when choosing which build to bring in, and only did so for OotA. To be honest, bringing in a character that is ideal for the season led to a more enjoyable experience. Playing as Blade, my Half-elf Rogue/Monk "Drow Daywalker," in an adventure that starts out with being captured by the Drow increased my buy-in for OotA.
Not to say that there's anything wrong with ignoring metagame reasons for creating a character. I pretty much went the same route with my character for T1 DDAL adventures during the RoD season. I busted out my Dragon Ball era Goku build, playing as an 8-year old VHuman Sun Soul Monk. That yielded fun results over the course of the season, as the female Wizard who first tried to use me as a meat shield became my Bulma.

First rule of character creation is to play what you think will be fun to play. As long as you have fun with the character you play as, none of the reasons for making that character really matter.
My Fighter/Tomelock/Fire Draconic Sorcerer exists because I wanted to make a heavy-armored Eldritch Spam Cannon. Sure, it may be a boring playstyle to some, but it gave me more in-game time to focus on the traits/ideal/bond/flaw I chose for him. He's essentially a LE version of D&D Tony Stark during his playboy days.
The Battle Buckler is a concept that I've been toying around with ever since I first laid my eyes on the SCAG. The truly optimized version of it revolves around using a rapier instead of a whip. I just figured that with CoS being all about vampire hunting, I could put a Belmont spin on the Battle Buckler by adding a whip and Spell Sniper (to extend the range of BB/GFB to 10') into the mix. Since this is a character with high Cha, I'm actually going to play him more like Simon Belmont from Captain N than like the Belmonts you see in the Castlevania games.
tl;dr - As long as you have fun with your character, who cares what your reasons are for making it.