Certainly both are preceded and followed by slender vowels so must be slender, so both should be followed by the 'y-glide' as in the English 'million'

However ell-uh is easier to say than ell-yuh so I guess became the norm among native speakers who had never heard of 'the rules'. Let us not forget that,

although Gàidhlig is now boldly resurgent among the urban educated middle classes, It was until quite recently an orally-transmitted, dying language of, at best,

semi-literate poor crofters.

Robbie

P.S. Riallaidh like the new word. A glance through any dictionary will show an abundance of 'Gàidhlig-ised' English words. Sadly, perfectly adequate Gàidhlig words

often fall out of use as part of this process