Headscratchers / Majin Tensei II: Spiral Nemesis

• WTF does a REMIX Station do in 1995 when that technology doesn't reach even experimental phase till a year later?
• How does the party go back to their own time (1996) if we literally unmade that version of it by stopping Ogiwara in 1995 from murdering Naoki's parents and conquering Tokyo?
• On that note: Why does Karen, whose job is supposed to be averting paradoxes, outright push the party into creating this paradox?

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