The blockchain is already 15 GiB. Bitcoin can't replace credit cards if we don't solve this problem.
Call of duty with all the extra's is 35GB, are you saying that infinity wards should not release another game because of the disk space used.
are you saying no one will play call of duty ghosts 2??
if people can install GTA, crisis, WOW and call of duty and not care, .... then i do not see a problem
1TB Hard drives is 66 times the storage needed for 5 years of bitcoin blocks. and it costs under $£70