??so has the (2,1)-category of abelian categories got bi-products in an obvious way??? .... ...why or why not ??? .... ???and if so then how did we manage to not realize it ??? .... .... ???? .... ???other questions arising out of this .... ????"tensor product" of abelian categories .... ???..... ???any paradoxes or puzzles ??? ..... ???? ..... ...ramifications for toric / non-toric analogies ... .... ??? ....