1. There will be more powerful hardware. Maybe not pushing the limits of technology over profitability, but more powerful is a given.
2. No comment on mergers and acquisitions. There are acquisitions that make sense and Nintendo will review them as they arise. Unfortunately, they weren't aggressive enough on recent opportunities to acquire some additional talent covering Nintendo weak spots.
3. More hardware options increases the likelyhood of a hybrid, not lessens it, and there is no way they are doing a yearly hardware upgrade. Apple sells 10 million iPhones a year @ $500-$700 each, subsidized, that is how the hardware is profitable. Nintendo will likely release a powerful enough console, and a portable handheld. After time and sales slow, they may release a budget console, and maybe they release a hybrid to satisfy a slightly different market, or maybe the budget console and the portable together equal the hybrid, and all of this is sustainable because they all run on NOS.
4. I think QoL could be very lucrative, and I can only assume Nintendo knows exactly what they plan on doing, I just hope it's something we all are equally excited about and willing and eager to use.