The 10 000 SJCX minimum to participate in the beta was set before the price increase of the SJCX, if I recall correctly, at that time, the price hovered at around 4k satoshis, so the 10 000 SJCX was echivalent to 0.4 BTC. Now the price is about 3x as much. Maybe, if the devs need more beta-testers, they might lower the threshold, who knows.