We'll see, maybe it won't be that horrible. The question is how far MS will scale back on its Python implementation.
https://www.zive.cz/clanky/microsoft-spousti-python-pro-excel-toto-by-mohla-byt-nejvetsi-zmena-pro-tabulkovy-procesor-za-cele-roky/sc-3-a-223825/default.aspx?recombee=6c4596b3bbb8f5bd8098e328db944787- basket random