no, it recommended kings not take “many” wives, leaving “many” mathematically undefined. 2? 3? 7? 8? 10?
equating “many” to “two or more” is reading more into the words than what is there.
https://www.merriam-webster.com/dictionary/many
1 : consisting of or amounting to a large BUT INDEFINITE number
The Hebrew word in Deuteronomy 17:17 translated “multiply” in the KJV is “rabah”, which does mean to increase or multiply. Originally, God made just one wife for Adam, not several wives; this is what Jesus was referring to “from the beginning” (Matthew 19:4, Mark 10:6).