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In your study of Product life cycles, I hope they taught you that the average product life cycle is ~10 years.
BTC born in 2010, so 11 years old, past the age of collapse for most products.
New Phase is beginning of Government Banning of said bitcoin product,
if Bitcoiners don't find a way to stop the increasing bans due to their global energy waste,
then we will be in the decline cycle with a very fast ride on the way down.
If I were you, Check out Cardano and it is a New 3rd Generation Blockchain product
It solved the energy efficient issue
It solved the onchain transactions issue
It has capabilities Bitcoin can't even dream of.
It product cycle is just beginning.
FYI:
The thing Bitcoin needs to stay out of the decline stage is a design change to PoS,
but bitcoiners are refusing to evolve, so a permanent decline to $0 is possible.
Ethereum is evolving by switching to PoS design, so their product cycle will be continuing .
You are saying that bitcoin needs a redesign in order to remain relevant in the market. Also you noted that 10yrs is let's say average product life, now BTC is more than 10yrs.
But from mining table of bitcoin, it's estimated as the times goes the BTC becomes more valuable and scarce. It is somewhat confusing to determine actually how it will be in the future.