Was doing stuff for a while
Rephrase:
What they are doing is making incompatible firmware so that people who had the old carts need to buy the new ones in order to use it.
In other words, instead of buying one cart and being secure for future updates of firmware including M3 Sakura (Which was originally stated to be for M3 Real), they will force you to buy the new one if you want this 'better' support, in which case they are doubling profits, because you have to buy the cart all over again.
The downfall will be that people won't put money into a second cart by a company that shits on them, not people with half a brain anyhow, instead they will move on and get an SCDS1, CyclodS, or AceKard RPG, at which point they are making a single payment and getting quite nice constant support and firmware updates without having to worry about problems such as them ditching them by making a new cart that's unsupported and better.