Yes. Cheap phones, camera no good. Good phones, cameras can be better than the cheap <RM500 cameras.
For documentation and simple product photos, very cheap point-n-shoots < RM500 will do. Macro, maybe not so good.
The advice to use the phone is if you're going to be taking those photos yourself. If you already have a good smartphone, you already have a good camera. Additional cost: zero RM! If you don't have one, this might be the perfect excuse to buy yourself one, or upgrade your older phone.

Approximately RM2-2.5k will get you the latest near-top-of-the line android phone from Samsung, and all those other companies. If you're willing to settle for some a couple of generations back (about 1 year or so since first release date) (but cameras still very good) the price drops to about RM1.5-2k. If you don't buy from the expensive "originals" shop, the price can fall even lower.
If you're going to throw this camera in a drawer in the office, and lots of people will be grabbing it to take photos, then buy a cheap point-n-shoot. Mirrorless at around RM1k would take nicer photos, but isn't absolutely necessary. I'm thinking adjusters / construction-site-photos / etc. For product shoots, depends on how much quality you're aiming for. If your mostly printing 12R glossies, then spend RM1k. If the pictures are mostly for websites and the occassional 4x6cm picture on brochures, then a cheaper camera will do. The more important thing when taking product photos is to use a tripod and proper lighting. That makes a greater difference. Even with a RM2-3k DSLR, the photo will come out crappy if you don't light properly.
