I agree with you there lol but I didn't think Alexi was all that boastful he seemed kinda modest to me since he was so critical about his playing on Something Wild and stuff (at least from what I've read) but I don't really know a whole lot about the guy except that I think he's a hell of a player!
And thats kinda disappointing about Clash of the Booze Brothers and how it wasn't improv
It's probably more of an overall image than his conduct specifically. And frankly, some of the OMGALEXI fans only make it worse.
Still, props to Alexi for being self-critical. Every good musician needs to be, because there's always room for improvement. Unfortunately, he seems to be improving in the wrong (IMHO) direction. I'd rather see more classical music -inspired stuff, but well I don't want to bring the whole "old vs new" argument back again.
If I was in his management I'd suggest to calm down the live passages a bit because they're totally interesting enough by being serious on stage and not entertaining the crowd, plus I'd suggest to try different outfits at times. Sometimes wearing a light coloured flannel shirt or black jeans would make a fresh self-confident change to show their playing skills aren't dependable on any outfits, like those bands who can't go on stage without wearing masks or spiked armour.
Sadly, a specific stage image is necessary for any band these days. As for the live passages, why the hell not, it's a lot of fun to do. What they could tone down is the drinking on tour, because it gets them sloppy (as evident on CRY) and that's just no good.
To the defense of the bands with specific outfits (spikes, corpsepaint etc), some do it to create a specific atmosphere in the audience, that may greatly add to the experience if done right. Besides, it's just a fact of life that everyone is used to metal concerts being more of a SHOW. Besides, most metal music isn't good enough to be consumed live on its own merit, without the show to accompany it.
Also, Alexi in a flannel shirt... That would be waay hilarious to observe.