I see your points entirely about this, something should be done about it I'll not lie, however I am using this to get wins at the moment, and according to
@Cynamooo this isn't win farming as, they said win farming is using alts to fill lobbies and beating them for easy wins, it is just using a element of the game that needs to be balanced to your own advantage as the majority of players including yourself are unsure how to defend against it. Which leads me to what Kloska said...
Using the level 4 poison, top path at the start of the mob route works well, accompany this with an ice tower at the start, and maybe some throughout the route (however this is not necessary), near your castle placing 2 level 4 artillery towers or 3 level 3 artillery towers will kill the pigmen easily. If they are then sent with witches, inferno AOE the witches like done in normal game-mode to kill the witches quickly and then the pigmen will die again. This would not work with level 5 pigmen with level 5 witches however most teams would usually switch to blazes or cave spiders if the initial pigmen rush did not work. If there is any other concerns you have about this rush I'd be willing to try and help with them as I know how to do this as well as defend it.
Furthermore, the hardcore game-mode does need to be redone, however so does most things in TD, for example pigmen only have the use which is stated above of the hardcore rush. However in normal it is easy to rush with level 4 skeletons and these are even harder to defend against than pigmen. I do not believe hardcore should be removed, but I do believe it should be changed, I like the idea that you can only send 5 mobs at the start and the castle guards are now in at the start. However the slow tower building doesn't need to be changed it is meant to make the game harder and if you didn't not prepare for certain mobs then players will use this against you, this is what makes hardcore fun, you need to work as a team and prepare for all types of mobs before it is too late. However working is a team helps in hardcore and this is hard to do when you have new players on your team, which is why I believe the ranking system stated above in
@ymbmg 's post would be a good idea, or just add a feature which doesn't allow teammates to build off the 3x3 grid or place 5x5 towers on 3x3 spots as this is extremely infuriating for experienced players, or also make players watch the tutorial before playing a game this may possibly work and include a feature already in the game.
I could keep going on the issue of TD as the amount of problems are building up continuously due to lack of interest (seemingly) by developers and other staff.
Thank you for your time for reading this if you have any other problems message me on discord (found in my signature) or just message me via the website and I'll respond as soon as possible. - Sincerely, Shyry123