I have copied a radio tower (fernsehturm) from the switzerland dlc to four other places within the switzerland dlc. The link below contains the explanation how this can be done. I could share the tsc files with you of the four places I copied. You then only need to copy the folder 'fernsehturm' from the switzerland dlc, rename it and replace the tsc in it.
Yes it's a good idea, we can add it to autogen. I’ll probably add Heliports as well, and trees cultivation in some places like Zermatt for exemple.