That's like telling someone you are thinking of purchasing a vehicle and asking which vehicle you should buy and why. It depends on the purpose of the vehicle.  Is it for a large family?  Do you need to tow heavy loads? How many miles do you expect to put on the vehicle each year? Do you intend to keep the vehicle for many years, or sell it after a few?  How tall are you? Will you spend a lot of time driving in hot environments? Cold environments? Is comfort important to you? Is fuel efficiency important to you? Etc.

It's the same with a wallet. It depends on the purpose of the wallet.

Will you be storing a very large amount of bitcoin in the wallet?  Will you need access to the bitcoins while mobile? Will you only be receiving bitcoins, or will you be sending them as well?  Will you be sending a lot of transactions frequently? How important is security to you? What level of technical ability do you have?  How important is anonymity to you? There are many other factors as well.  Each wallet has it's benefits and it's shortcomings.

When I'm ready to purchase a vehicle, I learn as much as I can about several vehicles that seem like they might fit my needs, and then make an educated decision about the best fit for my purposes.  I recommend that anyone choosing a bitcoin wallet do the same.  (Learn about the various features and limitations of the available wallets and make an educated decision about which wallet will best fit your purposes.)