I have the impression you are leaning towards thinking of data analytics (pandas, data frames, etc) whereas I and some other commenters may be thinking more of

I have the impression you are leaning towards thinking of data analytics (pandas, data frames, etc) whereas I and some other commenters may be thinking more of more data pipelining kind of architectures, where you can't afford wrong typing, scale is quite large and you are not even doing the kind of operations pandas dataframes are useful for