Note that random reddits are not a source of reliable information. However, OP is certainly not the first to notice such spots, and it is not marked anywhere as dangerous. It is also notably absent on any sites about checking whether your eggplant has gone bad.
Here are some places where people had the same question, and the answer was seeds every time:
https://www.reddit.com/r/whatisthisthing/comments/g5fb9v/when_i_cut_open_my_eggplants_that_have_been_in/
https://www.reddit.com/r/AskCulinary/comments/w2ccxb/what_are_these_tiny_black_seeds_in_my_eggplant/
https://www.reddit.com/r/vegetablegardening/comments/16m4til/eggplant_dots/
https://www.reddit.com/r/foodsafety/comments/1iv7qb4/eggplant_had_dark_spotsseeds_safe_to_eat/
Note that random reddits are not a source of reliable information. However, OP is certainly not the first to notice such spots, and it is not marked anywhere as dangerous. It is also notably absent on any sites about checking whether your eggplant has gone bad.
Nice thank you for this.