I wish we had science and testing to back up our opinions...but we don't so...
My opinion is a 30 lb bow, with a heavy enough arrow, and a sharp head, at close ranges, can effectively kill Texas size game animals.
That being said, the set up/shot should be near perfect for this weight of equipment...meaning there is little room for error.
If the person is an adult who can only pull this weight, they should have good judgement. If the person is a child, they need to have a responsible adult of good judgement with them to keep them from making bad decisions/shots.
Of course good judgement and ethics are the cornerstone of being a good bowhunter at any level.
Mark
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