Actually, this appears to be very difficult. For instance, you are going to require all players to obtain "smooth lander." But all of them will have different stats. Which stats will be allowed? Any as long as it's only 1 piece? Then you have to farm even MORE so you can get the best "Smooth Lander" equipment you can find. Perhaps stats that fall into a range of values? Well, now you STILL have to farm more because anything outside the range is useless. Maybe you can use any piece of as long as you bring the values to within a certain range using other equipment? Well, now you have to farm THREE pieces of equipment that balance out, which is even worse than the other scenarios.
You need...
To obtain a "smooth lander equipment"
that is useable on that character
that has stats that are legal
that has stats that are optimal
Keep in mind that the first step "obtaining a smooth lander equipment" is already extremely time consuming and completely reliant on RNG.
So, any rules set that requires "equipment X" will absolutely not work. There are only two possible scenarios. "All equipment a player has." or "No equipment." If we allow equipment, it will be necessary to farm gear to maximize advantages and minimize disadvantages. This isn't to say that equipment-play itself is unbalanced, just that it is "unfair" for players who haven't obtained as much equipment. The "unfair"-ness here is that each player in a fighting game has the same resources. (They can choose from the same characters / moves.) When you add equipment, each player won't have access to the same equipment, and therefore, one of them will have an advantage in more resources.
- Game destroys system
- Players have the ability to input highly technical commands without destroying their systems. It may be difficult, but it is true. This is this hilarious, but it should not impact our opinion of the game itself.
- If a player did break his 3DS during a match, I would not stop fighting him, and expect to be awarded the point. (Same goes for if I break my own 3DS)
- No C-stick
- New 3DS has a C-stick
- C-stick not required for a game to be taken seriously
- Wireless signals in the same area
- If this were an issue, I think that it could be meaningfully impacted by walking across the room.
I have fun in many different ways. One of them is participating in tournaments, but the main "goal" of a tournament is not for everyone to have fun. Unless it's a children's sport's league, I suppose.
Excluding custom moves doesn't make the game unbalanced necessarily. You say, "Characters that would be considered low tier would stay that way." Well, tiers are determined by tournament results. So, with customs or without them, there will be a low tier. So what have the customs really accomplished in this regard other than choosing Character X over Character Y?
Also, without tournament data, we can't really say for sure if customs vs no customs are balanced. We can say customs add variability, and variability allows characters to be viable in more match ups, but it also leads the risk of allows characters to shut down ones they otherwise couldn't. So, it is kind of a two-edged sword.