There must be some fascination for you otherwise you wouldn't spend so much time tugging the nose hairs of Catholics. The paradox you face is that, for you, since you don't believe, the bread is still bread and the wine is still wine, but for those who believe it is the resurrected body and blood of Christ that was given up for us. It is part of a new and everlasting covenant, one not subject to revision by those seeking expanded divorce privileges, or seeking to form a political and economic counter balance to other European countries.
There is even a secular beauty in the Communion celebration for people like you to appreciate. Like a continuous line of dominoes that have been falling for nearly 2,000 years when we (Catholics) participate in the Eucharist we are touched by a continuous string of events set in motion by Christ himself at the Last Supper.
Speaking honestly, I'm mystified that otherwise intelligent people regard with such fear the interdict of someone just sufficiently schooled because he's wearing watered silks, burning incense, ringing bells, waving his arms and speaking in a dead language.
There is even a secular beauty in the Communion celebration for people like you to appreciate.
It can be fine theatre, but so too are watching Jews piously praying at The Wailing Wall, or seeing thousands of Muslims in unison bowing in prayer toward Mecca. But all the outward symbols remain just that: Only theatre, which distracts from Christianity's central truths.