[StavrosK]

I find this attitude a bit entitled. The speaker does speak English, his accent is just not very understandable.

However, opening the video and seeking to a random point, I must say that the phrase "Ruby release policy: Ruby level compatibility" isn't doing any Japanese speaker a favour.

[jholman]

You find his attitude entitled, I find your reply needlessly confrontational.

It's not like chadcf said "This talk is bullshit, that guy doesn't even speak English". chadcf said "I experienced this difficulty, I wish that the following thing existed, can anyone help me?" Maybe he could afford to have done

    s/speak English/speak more fluent English/