You don't think it's a conflict of interest, being that financial instrument (and any benefit from it) comes from making war? Would part ownership in a brothel be an acceptable gift too?
Obviously there would be a point when something would be unacceptable and a point where something would be up to the individual to decide. Also noteworthy is that many comparisons are not perfectly matched either.
So to answer you directly, if one condemns brothels, but partly owns one by directly buying, or even receiving as a gift, shares of the bethel ownership, then yes that would seem at best to be a conflict of interst, and at worst hypocrytical.
But in the case of Reg/Regi Technologies (the investment being considered), Here is what their website says (http://www.regtech.com/Radmax_Technology/Military_Application/):
REGI U.S. is in the business of designing, developing, and manufacturing axial vane type rotary engines (RC/DC or RadMax™ engines) for commercial and civilian applications. Jointly with parent company Reg Technologies, Inc, REGI U.S., Inc. owns the marketing and intellectual rights to the RadMax™ rotary technology.
You see the two parts? Part one says they are in the business in the commercial and civilian sectors. Part two says that REGI US and Reg Technologies own the rights to RadMax. It's here that I think some of you take issue. On the quoted webpage it goes on to say:
Research and development programs since 1987 have developed a number of RadMax™ engine designs to address many large markets including transportation, power generation, agricultural, landscaping equipment, marine, construction, power tools, pumps, and compressors (both heat and air conditioning). Additionally, RadMax™ engines for unmanned autonomous vehicles in military and civilian commercial applications represent an enormous market opportunity and the focus of the Company's current R&D and business development efforts.
The comparison between a brothel and REGI U.S. is not a perfect apples to apples comparision (remember I said that many comparisons are not perfectly matched). Income from a brothel is 100% related to the activities that generated those profits. The same cannot be said regarding the profits from REGI U.S.
Consider another comparsion, not exactly the same, but still... If I worked as a clerk at a quicky mart. The majority of the sales would likely be tobacco products and lottery tickets. My income would in part come from those sales. So does that mean I'm profiting from tobacco and lottery tickets?