People will see that corporations taking over masternodes would (or at least could) lead to privacy failure,
Your the one who doesn't "understand economic reasoning very well" with idle scaremongering remarks like that.
For that to happen, corporations would also have to overtake the coin supply which would simply be equivalent to comprehensive buying out of any cryptocurrency. From the perspective of 'security' a masternode isn't a PC, it's a portion of the coin supply.