"conventional" reality is something Buddha taught. it is the sphere of names, labels & gestalt perception of wholes
for example, when I ask: "pass the salt, please", this is a conventional reality because it is a functional reality understood by each of us
or if I say: "HC Sarco post 3998773", these conventional realities are understood as referring to particular objects, namely, 'HC', "Sarco' and "post" (rather than other objects, such as DDZx)
anyway...the teachings attributed to Buddha on the level of morality explain: "person or being (satta) X makes P karma & as a result of that karma (action) reappears or is reborn is the state of Q"
it is about the results of karma
no need to reinvent the wheel
as killing leads to hell, such as the PTSD ex-soldiers experience, Buddha would have been a silly teacher explaining this hellish result (such as suicidal thoughts) is experienced post-mortem rather than post-karma
it is not bad karma to be a Christian or Hindu but it is bad karma to slander Buddha
