Absolutely.
Light Usage like most things is an art. When used properly lights can be very effective - either for PID, or Masking yourself/teammates. Light techniques are also around to mitigate blinding yourself (somewhat important when working in houses).
Yes lights can draw fire - and techniques are around to mitigate that threat.
Also understanding that someone who understands light will not necessarily fall prey to some of the techniques is also of equal importance.
One of my most frustrating aspects from most Shoot/Kill Houses is that most are flat black walled - which gives the user an over appreciation for how much light and wear to use it.