This user prefers that the subjunctive mood be used. Were this user you, he would use it.
"There's" with a plural subject
This user knows that "there's" with a plural subject is a pervasive grammatical error. There'sThere are too many people making this mistake. Don't be one of them.
whom
This user insists upon using whom wherever it is called for, and fixes the errors of whomever they see.