It relates that there was experience, but not what that experience was - We can read and understand that they're reporting their own experience, but that's about it.
One could say "In my experience, the earth is flat", but there's not much a conversation to be had there.
One could say, "In my experience, the earth is flat - I got in my car, went for a drive in one direction, and eventually hit a cliff at the ocean instead of finding myself back where I started". Now there's something to talk about.
(To be clear: this is the internet, and a limited communication medium: I'd assume OP could relate details about their experience, and it's totally reasonable that instead of taking the time to do that, they went outside and touched grass)
One could say "In my experience, the earth is flat", but there's not much a conversation to be had there.
One could say, "In my experience, the earth is flat - I got in my car, went for a drive in one direction, and eventually hit a cliff at the ocean instead of finding myself back where I started". Now there's something to talk about.
(To be clear: this is the internet, and a limited communication medium: I'd assume OP could relate details about their experience, and it's totally reasonable that instead of taking the time to do that, they went outside and touched grass)