Sounds great... on paper. Also you are naming the 1% of bulletins that are wroth using IMO: 10% faster vet.
what is mind-boggling is Relic continuously releasing bulletins that have values of 1% and 2% and cooldown bulletins for Jagdtigers etc...
-Volks shreck combat package
-Any 3% accuracy or cooldown. Barely 10% increased dps on a unit is noticible.
-15% Stuka reload is almost 20s faster, which stacks with veterancy.
-33% increased sight for TA. Who needs spotters

-Any increased speed acceleration on light vehicles. This means, for example, for a Kubel to be able to outrun an M3, or an M3 a 222.
-Increased range on grenades
-12% increased pen on At guns
-Etc.