"Catholics believe that the Eucharist is God Himself--who should dare to kidnap our God from His Holy Church?"
Well, first of all I would. Second of all, it's a fucking cracker no matter how much Latin you babble over it. Third, your god is omnipotent; if he didn't want to be "kidnapped" then nobody could do it. Lastly, it's a fucking cracker and not god.
"It is the *ultimate* in sacrilege."
Taking a cracker--that someone freely gave you--and choosing not to believe it's god incarnate whom you're supposed to ritually cannibalize but instead pocketing the damned thing is not sacrilege in any sense of the word.
"In the Middle Ages, the secular government would have sentenced him to death for something like this."
There was no secular government in the Middle Ages (in Europe at least).
"The Eucharist is not something that should be taken lightly--He is God Himself."
It's a fucking cracker. God damn you people are some goofy fuckers. Doesn't it strike you as a bit odd that god wants you to cannibalize him every Sunday? Doesn't it strike you as a bit, oh, I dunno, like witchcraft or sorcery to mumble some Latin over a cracker and, hey, presto chango it's Gawd!
"There is no excuse for that. The Eucharist should and must be treated with respect."
Bullshit. Ignorant superstition should never be treated with respect. Unless you're visiting an extremely primitive people who actually don't know any better due to lack of access to science and information that is. But, good god, you live in the 21st fucking century with instant access to the largest amount of information ever collected--all at your fingertips anytime you want it. And you think a priest babbling over a cracker makes it god. And you have the gall to want me to respect that? Sorry. No can do.