I tend to let the errors (both mine and those of others) drift by. The jist of the message is what matters.
I am sure greatnan was not criticizing individuals.
The graduallyy changing useage of some words is what happens as language develops - I am very interested that some things that I was taught to regard as "mistakes" have become part of normal parlance/spelling now.
Crying over sad songs on the radio
), I like that way of remembering 'because' 
emoticon
.