simulation hypothesis
Mentioned as a type of idea that posits a limit to knowledge, similar to solipsism, but lacks proper explanation and is part of an impulse to find a 'final theory'.
Videos Mentioning simulation hypothesis

David Deutsch: Knowledge Creation and The Human Race, Part 2
Naval
Mentioned as a type of idea that posits a limit to knowledge, similar to solipsism, but lacks proper explanation and is part of an impulse to find a 'final theory'.

Leonard Susskind on Richard Feynman, the Holographic Principle, and Unanswered Questions in Physics
Y Combinator
The idea that our reality might be an artificial simulation, possibly created by a more advanced civilization. Susskind finds the hypothesis unhelpful if it implies a programmer, questioning who programmed the programmer.

Eric Weinstein: Difficult Conversations, Freedom of Speech, and Physics | Lex Fridman Podcast #163
Lex Fridman
Discussed as taking over from religion, providing meaning and purpose for those who've moved away from traditional faith.

Ray Kurzweil: Singularity, Superintelligence, and Immortality | Lex Fridman Podcast #321
Lex Fridman
The proposition that our reality could be a simulated reality, such as a computer simulation. Kurzweil finds it compelling, viewing the universe as computational.