Consider this. Where internal locks are required by law, manufacturers have to incorporate them or sell in markets without the law or go out of business. Refusing to buy firearms with internal locks reduces current sales for manufacturers. Extensive sales reduction decreases a manufacturer's ability to remain in business. Therefore, the refusal to by internal lock equipped firearms is equivalent to supporting fewer manufacturers of firearms. The Brady Campaign should be pleased with that attitude.
On the other hand, manufacturers constantly incorporate refinements in design, materials, and manufacturing processes which improve quality, accuracy, and consistency in their products. So, in another sense, refusal to buy guns with "lawyer locks" is contrary to some of the most important reasons for having guns in the first place.
The Smith & Wesson locks--I have four so equipped out of eight S&Ws--are designed to be benign if unused. If you luck on to something you like without a lock, great, otherwise I say, "Get over it!"
IMHO = $0.02
5Wire