Well that confirms it, must be racist!

Yea, it was a funny scene.

A sample size of two people would be insufficient to discuss speech patterns occurring across millions of speakers. My claim about accents is well-documented among linguists who study languages. The L for R occurs with frequency among Native speakers of languages in China who later in life learn to speak English (please note my initial claim was concerning Mandarin but the link below discusses pronunciation difficulties for Cantonese speakers).

https://www.accent-american.com/2018/11/27/the-top-five-difficulties-chinese-speakers-have-when-pronouncing-american-english/

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This link below concerns Mandarin speakers learning English (who might pronounce the English L sound as N)

http://www.academypublication.com/issues2/tpls/vol08/11/12.pdf