It's not Masa that pulled this company from the brink, but the fact that risk capital has somehow been convinced to stay in the game during this recession. Look what corporate bond spreads or IPO/VC underwriting did after March - truly unheard of in the depths of a recession, especially in the depths of the worst recession in living memory.
Also, in case you haven't read this PG classic: http://www.paulgraham.com/submarine.html
Due to this - "SoftBank racks up $3.7bn in losses at tech stock trading unit": https://www.ft.com/content/0edb7c17-58e6-4ded-acfa-1822440a9...