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Excellent points. Muscle mass is key for many things, including burning more calories. I wouldn't focus on being a certain weight or losing a certain weight - you should initially be staying about even since you will be increasing muscle mass while reducing fat mass.
I also think that for many people strength training can be more fun, and consequently, are more likely to continue doing it. It's more visceral than most cardio, and the goal/reward system of increasing weight and reps gives faster gratification. Part of the problem is that most people have no idea how to do the basic lifts, and most personal trainers don't teach them. Another problem is a basic lack of structure, wh…
For the average dude just trying to stay in shape, nothing beats the full olympic lifts. Take the barbell from the ground to over your head with snatches and cleans. Do it right and you'll be stronger than 90% of the people in the gym from 10 minutes three times a week.
FYI: The kind of lifts you see most people do in a gym are derived from body building routines, not proper strength training for athletic purposes. Such lifts will puff up muscles through sarcoplasmic hypertrophy. These slow movement high volume exercises actually decrease peak force, and puffed up muscles will slow you down and decrease aerobic efficiency. Hence the terms "blown-up" or "puffed-up" fighter.