It is very plausible to such people, a most convincing hypothesis. 
ɪt ɪz vɛɹi plɔzʌbʌl tu sʌtʃ pipʌl, ʌ moʊst kʌnvɪnsɪŋ haɪpɑθʌsʌs. 
 Indian's voice is very clear and close-sounding, with a monotone delivery at a moderate pace.