[CS/AI/Maths Phd] How do you guys have PhD internships/interesting programs [D]

Excerpt

Hello guys, I am 2nd year PhD student in AI in good university in Europe (just finished my 1st year, time flies...). I graduated with a Master in Maths from Oxford and worked a bit as a quantitative researcher in a known investment bank. I am wondering if I am alone in this situation but for most of internships or programs, I have 0 interview, not even a first round interview (e.g. Google PhD internship or other big firms like NVIDIA, ... or the recent MATS program for AI safety in which I was i