Why has the Gaza ground invasion been delayed?

Is Hezbollah waiting to strike until forces are in a Gaza quagmire?

Read the article here: https://www.jpost.com/israel-news/defense-news/article-768684#:~:text=Strategy%20against%20Hamas&text=A%20number%20of%20other%20delaying,and%20world%20response%20to%20date.