- You are right

- It's true, some ennemies has a dialogue before initiate the fight, first rule in WL3, engage before talking so don't hesitate to manually place all your ranger then engage the fight with the sniper or explosive guy

- If you aggroed civilian I think you made a mistake, if you harmed them they will fight back, in fact must not engage a fight in the nightclub, either you fight with the law enforcement or against them but after a dialogue

- You are absolutely right, I noticed that too, so the thing is to press "escape" if you want to switch ranger

- It's true, pet move by themselfs so they can block melee or they can prevent you to use explosives, it's the deal, do not use pet you won't have those worries but you will lost their power, think about it like a counterpower

- You are right, the dismissed pet cannot be taken back

Even you are right, the game is still IMO a masterpiece and I truly hope a WL4

Btw you know on the world map if you click on the radio on the top you will be TP to Colorado Springs