Read the Bitcoin whitepaper and Satoshi's emails & blogposts.
Things never mentioned:
SegWit, Lightning, TapRoot.
Things that were mentioned:
Simplified Payment Verification (SPV).
Nodes run by large entities, like businesses & colleges.
Bigger blocks to scale.
are you a Satoshi Vision guy?
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Not particularly, but I am a KISS fan, and critical thinker.