A idéia é muito interessante mas o Tailwind parece bem mais completo que o Tachyons.
https://medium.com/@simonswiss/full-re-write-with-tachyons-and-functional-css-a-case-study-part-1-635ccb5fb00b
https://medium.com/@simonswiss/full-re-write-in-10-days-with-tachyons-and-functional-css-a-case-study-part-2-dd60256b35b2
https://medium.com/@simonswiss/full-re-write-in-10-days-with-tachyons-and-functional-css-a-case-study-part-2-426c4dda13c2
https://medium.com/@simonswiss/full-re-write-in-10-days-with-tachyons-and-functional-css-a-case-study-part-4-b565745ca1e5