In 2017, $BCH hit 30% the mcap of BTC. $LTC hit 8%. Both behind the "better version of Bitcoin" narrative.
$ZEC currently sits at 1.6%. Getting to 15-20% is not unreasonable. At $100k BTC, that would price $ZEC at $15 - 20k. 5 digit Zcash.
Most are not ready for this scenario.