Mainly because of the oversupply condo in Puchong area.
For own stay, you can get from IOI which More close to commercial area, for rental yield also closer to commercial area more easy to rent out and higher rental.

If you have some cash, still easily to get cheap condo subsales unit in puchong.

Now ioi also launching new high rise residence , the cruise.,with affordable pricing.
Previously Le Pavillion also selling with 6xxk, and also many unsold unit even the construction already 60% completed.