With 'foliage' I would say the diphthong is often said very fast and the 'i' is there but very soft, unless you are making a point of it.
My personal ire is saved for po-gram (missing 'r'), fustration (missing 'r'), gifs (missing 't') and most enraging of all sallmon, callm, pallm and allmond.
Nothing, however, is more likely to get me yelling at the radio than a 'L' is silent ignored. If you disagree, check OED.
Sport folk who think the plural of stadium is stadiums . The American pronunciation of controversy annoys me too. It's Contro versy, not con tro versy.
The ones that annoy me most are Feb-you-ary instead of February and nucular instead of nuclear (I once had to stop watching an episode of Horizon I found the presenter constantly saying "nucular" so irritating). Can't say I've noticed folage.
Doncaster, South Yorkshire. Soil type: sandy, well-drained
I’m a troubled soul. I’m easily, and irrationally, annoyed by misspellings, mispronunciations, grammatical errors and putting stresses in the wrong parts of a sentence.
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The American pronunciation of controversy annoys me too. It's Contro versy, not con tro versy.
https://www.youtube.com/watch?v=ho1TUjqUbXY&t=116s
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
Om ... Om ....