There are good points with Sharia, Moslems frequently point out that Widows and orphans should be looed after for example. Unfortunately there are many areas where decent civilized people will disagree with Islamic rules.
Problems with Muslim Sharia Law
Sharia allows slavery. Mohammed himself owned 40 unfortunate slaves. Slaves are helpless before their masters, can be bought and sold and masters can have sex with female slaves whenever they want.
For more about abuses suffered by slaves under Islam, see the following:
Wives may be beaten simply for being too independent and not respectful enough.
People may be severely flogged for drinking or gambling
Of course, don't expect any men to be flogged. Even though President Anni drank Sula shiraz, the courts failed to look into the case and have him flogged. If you look at Maldives law, any man or woman who is proven to drink alcohol has to be flogged.
People who have blinded someone else may be blinded themselves
This has actually happened in the 21st Century, see
Thieves should have their hands amputated
The Koran stipulates this, see
Crucifixion and other forms of torture are allowed to punish some crimes
Laws allowing crucifixion and other barbaric punishments in Hamas controlled territories have been passed. There have been several crucifixions in Saudi Arabia during the last 20 years and at least one innocent man was lucky to escape crucifixion in Saudi Arabia.
This article is work in progress, there’s much more to write.