[BUG?] Environment variables accessible to BTT are not accessible to scripts

For example, trying env with bash gives:

SHELL=/usr/local/bin/zsh
TMPDIR=/var/folders/5v/g3zxt_7d64g3sd_56bzpqbvh0000gn/T/
USER=evar
SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.baUF3cvGVR/Listeners
__CF_USER_TEXT_ENCODING=0x1F5:0x0:0x0
PATH=/usr/bin:/bin:/usr/sbin:/sbin
PWD=/
XPC_FLAGS=0x0
XPC_SERVICE_NAME=com.hegenberg.BetterTouchToolShellScriptRunner
SHLVL=1
HOME=/Users/evar
LOGNAME=evar
_=/usr/bin/env

While I have set global env vars via launchctl setenv that are accessible to other apps, but do not appear in the list above.