I’ve seen, a lot of players in Great Britain prefer playing at a casino for real money rather than using free versions. For many people is that real money play feels more realistic.
Most real money casinos offer different casino options, which is usually enough for casual play. From personal experience, choosing a well-known operator matters more than chasing big bonuses.
Naturally, it’s still important to play responsibly, especially when real money is involved. When approached sensibly, real money casinos can be quite enjoyable.