This is not something you want to do, particularly against better bowler.
Sometimes, drawing in to increase the shots you are holding
If you already have shot, consider where you can add to the count without creating either of the above.
The match situation is important context and on occasions you may choose to draw more in but be aware of the risk.
Top Tip: Consider if bowling short can disrupt the opposition line if there is not a good opportunity to add to the count without creating a target