The argument seems to be, if we get reasonable investment from one source, that source is going to demand control of the club. That's a logical argument.
If we don't want to entertain that possibility, smaller amounts will need to come from multiple sources. If businesses etc are out there, ready and willing to hand money to Motherwell without any say in how it's spent, why haven't they come forward before now, and why hasn't anyone at the club or WS previously identified them? Failing that, we're looking at appeals for those extra donations, raffles or bucket collections - which only feed into the 'we're skint' narrative, apparently.