> That statement IS peculiar.

Further web search reveals that this 68000 claim with regard to Alsup has been made by the Libre-SOC project lead for quite a while (reaching back to when the chip's ISA was still planned to be RISC-V instead of Power):

https://libre-soc.org/nlnet_2018/
https://libre-soc.org/marketnext/libresoc_story_15may2020/
https://hardware.slashdot.org/comments.pl?sid=14078694&cid=58696484
https://hardware.slashdot.org/comments.pl?sid=14078694&cid=58697004
https://hardware.slashdot.org/comments.pl?sid=14281964&cid=58866166
https://hardware.slashdot.org/comments.pl?sid=14906120&cid=59251726
https://www.phoronix.com/forums/forum/hardware/processors-memory/1064199/page4#post1064382
https://www.phoronix.com/forums/forum/hardware/graphics-cards/1104124/page5#post1104250
https://www.crowdsupply.com/libre-risc-v/m-class/updates/comments-on-recent-phoronix-articles
https://forums.puri.sm/t/risc-v-m-class-effort-and-purism-donation/6528/11
https://www.reddit.com/r/RISCV/comments/db04j3/libreriscv_3d_cpugpu_seeks_grants_for_ambitious/f202z4c/.compact
https://list.libresilicon.com/pipermail/libresilicon-developers/2019-April/000688.html
https://lists.librecores.org/pipermail/discussion/2019-April/000724.html

The claim was questioned a year ago, but the question got ignored:

https://hardware.slashdot.org/comments.pl?sid=14281964&cid=58872238

Instead, he's been repeating this claim to this day.