I had been thinking about this a lot recently and have come to some different but similar conclusions. Haven't messed with craft much, but will be looking into it again after reading this.

Nice article, but disagree with some things. If you work with back-end through "Avocode" it's impossible to copy any element if you put it in Symbol. Also, if your buttons in symbols, they are not flexible, you can't change width, you need always detach it from symbols.