My word wall's basically been stated, so I'll just echo my main premise and expand if someone wants my bollocks.
Yes, modern sheets tend to be bloated. I hate it when there's 5 gifs in a sheet - that can bugger right off. Super formatting? Meh. Extensive detailing of every element of a character before the roleplay even starts? Uh, how? Don't you kinda get that info from the roleplay itself? The elements I consider essential are name, a broad indication of 'type' if applicable (containing things like race, age, whatnot as appropriate), appearance, abilities and a gist of personality and/or backstory, the most latter of which I find critical at a quality control level.
I've moved away from group roleplaying at a formal, public level for the most part save for a rare few places. I prefer the less formal structure of a 1x1 or even a group I assemble of my own accord consisting of people I figure would have the required level of common sense to pass the vetting by default. This is partially why I indulge public roleplays at all anymore - they are a recruitment sphere for my internal content. If I was interested in constructing a public roleplay, however, I would consider the aforementioned elements essential in quality control and seeing the baseline to use in measuring characters.