Probably, but buying bitcoin won't secure the network that which your money derives its value from.
Discussion
I just run a full node and lightening node I'm not too worried about one S9 preventing a 51% attack.
Aye and you're not necessarily wrong there. But I do have to say, I've got a greater understanding and appreciation of the system as a whole by doing and learning abt this aspect of bitcoin.
Plus, I'm a hardware nerd. So there's that.