a quick comparison between arl and tiger, wtf? what happened with all the guns?

what happened with all the guns!?! no turret upgrades?!? only one engine? why? i don't get it. its feels like a step backwards. where's the 'tank upgrade' part of the game. you pretty much get the gun and hop onto tiger 2!! and other German tanks are the same now? why?? i really don't like this change and i much preferred the complex and expanded upgrades path

PS to anyone saying they done it so the stock grind is easier 1) dont add op premiums that tier 6/7 had to die against and 2) the stock tank could have been buffed and just keep other guns/ modules for those who want to grind em/ play in a different way. like, why remove 10,5 cm gun? its not competitive but some ppl enjoyed it! pz4 has NO GUN APGREADE (apart from 10/5cm but not everyone likes to play with the troll gun especially after HE nervs)