Attitudes towards exploits are often mixed.
LM+ said:
Just to confirm this: So parking troops in your puppet states to save on supplies,
Iffy- some people do it, some people don't. In some cases (eg, Japan in Manchukuo) people must place troops in their puppets territory to defend them.
Not sure what you mean.
Haven't seen that one in MP. My understanding is that needs masses of 1945 era carriers to pull off. My guess is people either haven't built them in 1945, or won't have time to build them.
entering ahistorical wars in '36-'39(such as the SCW) for the wartime consumer goods bonus/kill off the peacetime modifer/gain lands early,
Most games normally have house rules preventing early wars.
taking advantage of events that require a particular city to fall by fortifying it to 10,
In my last game, the French player fortified Paris level 9 and was building it to ten. I used my tac bombers to bomb the IC and infra down to 0, and launched attacks until the French supplies ran out. It was extremely satisying to see 86 French divisions surrender. Most british players will fortify Gibraltar level 10, others don't. Some games have rules on this others don't.
paradropping onto enemy planes or provinces without beaches and then shipping in 40 reinforcement divs in 5 hours
My attitude would be that a single division would be enough to defend against paratroopers, and if you let them take an undefended port, you're a fool.
I have however, suggested a solution in the Starfire thread whereby most cheap transports are limited to base to base shipping, so that control of naval bases becomes much more crucial.
landing over territory to reduce the partisan burden,
Landing over territory? What do you mean?
and using military control of historical and ahistorical allies that you invited in are all legit?
What else are you supposed to do with your allies if you don't control them? Just have them sit in their capital and do absolutely nothing? I've never seen a game that wouldn't let people control their AI allies, although a few have restrictions on diplomacy before a certain date.
It is really the general opinion that he who exploits the game engine in-game deserves all the advantages he gets?
Depends on the game, the group etc.