Do I make you uncomfortable? Do I, baby? Yeah!

[Achebe]

1. It is hard to write rhymed verse, because all the good rhymes are gone. It is hard to rhyme and not appear jingly-jangly. Even Larkin's 'Trees' (one of my favourite poems) would have read better in free verse. Only Dylan Thomas, and a few like him, can write about 'spindrift pages' and the 'grief of the ages' and look good. Your non-poet likes rhyme because he/she hasn't reach enough, I suppose.
Also, anyone can write rhymed verse terribly, which is what most people do (self included).

2. Your serious pomes are better. "Breakout" on your page, is my fave.
Anyone can write funny pomes. Humour is the lowest form of entertainment.

I'm in the mood for making profound-sounding, baseless statements this morning.

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I think light verse sounds better when it rhymes as well.

All other conclusions draw naturally from that one.

that's what I meant - humour isn't art, only tragedy is art. hence humour goes well with rhyme, like neo-nazis falling in love with each other.