I (or my team) use SAS in my everyday work. It is not a language to be proud about. There are many inconsistencies within, and it carries a lot of baggage - for example PROC MEANS and PROC SUMMARY do the same thing now (although they may have carried different meanings much earlier). PROC MEANS, PROC FREQ, PROC SORT all have very different (read inconsistent) ways to specify output table's name, whereas they could be the same. There are many, many other quirks.

Then again, for a system which sells mainly by virtue of traditional monopoly and being a legacy system, it is not surprising they would fight a case against copying their incoherent and utterly unintuitive language.