I have a real life habit of being kind and supportive to people, giving them feedback what I liked as an customer (or friend). I personally feel like that everyone is always vocal about what they dislike, hate, or think is unfair. Be the change that you want to see in the world.
You are the first company in six years that made me spent money on a game, that is quite a feat!
I really appreciate how you try to balance the game asymmetrical, it seems like a lot of people just do not understand that certain factions have strengths and weaknesses. Also people forget that they are mostly biased. And also often forget that high tier users have more play-time which means they are more experienced.
While I would wish that the Dev’s would release some kind of numbers about for example how many people get killed from the FG 42 compared to what ever, I do think it would change little.
So it is probably very wise to not say a thing about this constant stream of “This is OP, that is OP, this is fair and that is unfair”.
To be honest, I do not care if some players leveled a couple of million XP’s through exploits, I feel with them cause the game at times can feel to grindy and I am a premium user!
I can’t blame them and even further I feel not offended that they progressed faster than me “a paying customer”.
But I respect your decision and I say, it is good to know that you are drawing the line there.
It is good for all players that do not use exploits!
While I was not a fan of the soldier progression rework I already got used to it and it is okay, it sure is easier to use/understand/less cumbersome but it feels “more grindy” especially with tier II and III soldiers. (For me there is a big difference in “it feels like” to “it is”, the first is a feeling that might not be true and the second is a fact. I also believe a lot of people mix that up).
I am still not looking forward to the weapon progression rework but maybe I get positively surprised 
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What I fear is that the player base is dying. I do not know the numbers, if it is true. But the last couple of updates had been really “unpopular”. I do not know if it always was like this as I have not been involved with the community before.
Nevertheless I really really think you try to do the best you can and that you have to take a lot of shit from the player base. @Keofox please let the Developers know, that there are also happy players 
