The irony here is palpable.
Not only did you show that you weren't discussing the subject in good faith ("I was wondering" v "That's what I thought") your root argument is terrible.
. . . . and his anecdotal evidence is supported with data.
https://scholar.harvard.edu/files/msen/files/lawyers-ideologies.pdf.
Law as a profession tends to be to the left of american society generally, although they reflect, to a degree, the politics of their state. See page 15, 18. This is even more more pronounced at the elite legal institutions. See page 27, 28. The highest ranked elite legal institution that produces a proportionate number of conservative lawyers is Vanderbilt. It is barely in the top 20. There are talented conservative lawyers being produced by these schools (and there are talented lawyers being produced at less-prestigious institutions), but they are outnumbered. This is also reflected at the big law firms. See pages 35-38.
*also, attacking someone because they did x and some people with overlapping ideologies criticize x is moronic.